The B.D. and T.D. on a certain sum is Rs. 200 and Rs. 100 respectively. Find out the sum.
A. Rs. 400
B. Rs. 300
C. Rs. 100
D. Rs. 200
Answer: Option D
Solution (By Examveda Team)
$$\eqalign{ & F = \frac{{BD \times TD}}{{BD - TD}} \cr & \,\,\,\,\,\,\,\, = \frac{{200 \times 100}}{{200 - 100}} \cr & \,\,\,\,\,\,\,\, = \frac{{200 \times 100}}{{100}} \cr & \,\,\,\,\,\,\,\, = {\text{Rs}}{\text{.}}\,200 \cr} $$This Question Belongs to Arithmetic Ability >> Bankers Discount
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